{"source":"gemini","id":"227890","ticker":"TENNIS-WTAUSO-20260903-SAK-STA2","slug":"maria-sakkari-vs-yulia-starodubtseva","title":"Maria Sakkari vs Yulia Starodubtseva","description":"Maria Sakkari vs Yulia Starodubtseva","image":"https://assets.gemini.com/predictions/images/tennis_test_02_42aacd7e-073f-453c-a9a2-7f09d07bbc38.jpg","icon":null,"active":false,"closed":true,"start_date":"2026-09-02T01:57:51.855000Z","end_date":"2026-09-04T22:15:00Z","closed_time":"2026-09-04T01:08:06.644000Z","volume":5035.65,"volume_24hr":5013.97,"volume_24h_change":null,"normalized_vol_24hr":57.43096923828125,"normalized_volume":45.836551666259766,"liquidity":null,"open_interest":null,"categories":["Sports"],"tags":["US Open"],"synthetic":false,"is_group":false,"group_key":null,"parent_event_id":null,"probability":null,"spread":null,"top_outcome":"Yulia Starodubtseva","top_outcome_probability":1.0,"top_outcome_prob_24h_change":0.5900000000000001,"top_outcome_volume_24h_change":null,"updated_at":"2026-09-04T01:14:56.085753Z","fetched_at":"2026-09-04T01:14:56.085753Z","added_at":"2026-09-02T02:17:27.040034Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260903-SAK-STA2/maria-sakkari-vs-yulia-starodubtseva","chart_24h":[23.21,21.65,1.53,570.71,4176.4,5013.97],"kind":"live","markets":[{"source":"gemini","id":"227890-550517","event_id":"227890","slug":"GEMI-TENNIS-WTAUSO-20260903-SAK-STA2-STA2","question":"Yulia Starodubtseva","group_item_title":"Yulia Starodubtseva","description":"This market resolves to Yes if Yulia Starodubtseva wins the tennis match between Yulia Starodubtseva and Maria Sakkari originally scheduled for September 3, 2026 at 11:00 AM ET. Otherwise, it will resolve to No. The Underlying is the official result of the specified sporting event. Source Agencies, in order, are the tournament governing body (ATP, WTA, ITF), ESPN, Fox Sports, and the broadcast partner of the event. If the Expiration Value cannot be determined on the Expiration Date (including because the event is cancelled or a player forfeits, withdraws, or is disqualified), the Exchange may determine payouts pursuant to the Market Outcome Review Process. View the [full rules](https://assets.gemini.com/predictions/terms_and_conditions/Sporting_Win_Lose_Event_2_Terms_and_Conditions_f232ede2-4e1a-4126-a1d7-89e0fa2225e2.pdf)","image":"https://images.ctfassets.net/jg6lo9a2ukvr/2JCqLH2Cg7D1JpuXwB7VQ/c5c1c7203b54a6e7a30425e41113ddf9/065-ukraine.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[1.0,0.0],"probability":1.0,"spread":0.03,"active":false,"closed":true,"start_date":"2026-09-03T05:00:00Z","end_date":"2026-09-04T22:15:00Z","closed_time":"2026-09-04T01:08:06.473000Z","volume":null,"volume_24hr":null,"prob_24h_change":0.5900000000000001,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-04T01:14:56.091263Z","fetched_at":"2026-09-04T01:14:56.091263Z","added_at":"2026-09-02T02:17:27.288243Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260903-SAK-STA2/maria-sakkari-vs-yulia-starodubtseva","event_title":"Maria Sakkari vs Yulia Starodubtseva","chart_24h":[0.41,0.41,0.41,0.41,0.4,0.39,0.39,0.38,0.38,0.36,0.31,0.14,0.03,0.67,1.0]},{"source":"gemini","id":"227890-550516","event_id":"227890","slug":"GEMI-TENNIS-WTAUSO-20260903-SAK-STA2-SAK","question":"Maria Sakkari","group_item_title":"Maria Sakkari","description":"This market resolves to Yes if Maria Sakkari wins the tennis match between Maria Sakkari and Yulia Starodubtseva originally scheduled for September 3, 2026 at 11:00 AM ET. Otherwise, it will resolve to No. The Underlying is the official result of the specified sporting event. Source Agencies, in order, are the tournament governing body (ATP, WTA, ITF), ESPN, Fox Sports, and the broadcast partner of the event. If the Expiration Value cannot be determined on the Expiration Date (including because the event is cancelled or a player forfeits, withdraws, or is disqualified), the Exchange may determine payouts pursuant to the Market Outcome Review Process. View the [full rules](https://assets.gemini.com/predictions/terms_and_conditions/Sporting_Win_Lose_Event_2_Terms_and_Conditions_f232ede2-4e1a-4126-a1d7-89e0fa2225e2.pdf)","image":"https://images.ctfassets.net/jg6lo9a2ukvr/RmB8CVNoL5XTCjN79yfIs/5fa1839972324ff480f9df0cd3865b8f/071-greece.png","icon":null,"outcomes":["Yes","No"],"outcome_prices":[0.0,1.0],"probability":0.0,"spread":0.03,"active":false,"closed":true,"start_date":"2026-09-03T05:00:00Z","end_date":"2026-09-04T22:15:00Z","closed_time":"2026-09-04T01:08:06.644000Z","volume":null,"volume_24hr":null,"prob_24h_change":-0.63,"volume_24h_change":null,"normalized_vol_24hr":null,"normalized_volume":null,"liquidity":null,"categories":["Sports"],"countries":[],"updated_at":"2026-09-04T01:14:56.091263Z","fetched_at":"2026-09-04T01:14:56.091263Z","added_at":"2026-09-02T02:17:27.288243Z","url":"https://www.gemini.com/predictions/TENNIS-WTAUSO-20260903-SAK-STA2/maria-sakkari-vs-yulia-starodubtseva","event_title":"Maria Sakkari vs Yulia Starodubtseva","chart_24h":[0.63,0.63,0.63,0.64,0.64,0.63,0.63,0.65,0.66,0.67,0.73,0.89,0.99,0.37,0.0]}],"_meta":{"attribution":"pdata.world — aggregated prediction-market data across 8 platforms","canonical_url":"https://pdata.world/events/gemini/227890","as_of":"2026-09-04T03:47:35.663653Z","docs":"https://api.pdata.world/docs","cite_as":"According to pdata.world (tracking Gemini): \"Maria Sakkari vs Yulia Starodubtseva\" — top market at 100% probability across 2 outcomes","source_url":null}}